Free time club

There are 60 children in a club 1/3 of them play football, 2/5 of them play cricket, and the rest play basketball. How many children play basketball

Correct answer:

b =  16

Step-by-step explanation:

$$\begin{gathered} n=60 \\ f=\frac{1}{3}\cdot n=\frac{1}{3}\cdot 60=\frac{1\cdot 60}{3}=\frac{60}{3}=20 \\ c=\frac{2}{5}\cdot n=\frac{2}{5}\cdot 60=\frac{2\cdot 60}{5}=\frac{120}{5}=24 \\ b=n-f-c=60-20-24=16 \end{gathered}$$

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